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작성일 : 07-04-12 10:32
해킹에 관해서
 글쓴이 : 장세운
조회 : 1,801  

리눅스를 사용하고 있는 관리자 입니다.

아래와 같은 내용에 알고 싶어서 이렇게 글을 올립니다.

chkrootkit으로 체크를 해 보았는데, 빨간색 부분이 이상 합니다.

지금 시스템이 해킹을 당한것 인지, 아니면 단순히 경고 표현 인지.

정말로 해킹을 당했으면 해결방법이 있느지.

어떤씩으로 해결을 해야 하는지 도무지 알수가 없습니다.

알고계시는 분들이 있으시면 꼭 답글을 부탁 드립니다.

 

ROOTDIR is `/'
Checking `amd'... not found
Checking `basename'... not infected
Checking `biff'... not found
Checking `chfn'... not infected
Checking `chsh'... not infected
Checking `cron'... not infected
Checking `crontab'... not infected
Checking `date'... not infected
Checking `du'... not infected
Checking `dirname'... not infected
Checking `echo'... not infected
Checking `egrep'... not infected
Checking `env'... not infected
Checking `find'... not infected
Checking `fingerd'... not found
Checking `gpm'... not infected
Checking `grep'... not infected
Checking `hdparm'... not infected
Checking `su'... not infected
Checking `ifconfig'... not infected
Checking `inetd'... not tested
Checking `inetdconf'... not found
Checking `identd'... not found
Checking `init'... not infected
Checking `killall'... not infected
Checking `ldsopreload'... not infected
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not infected
Checking `mail'... not infected
Checking `mingetty'... not infected
Checking `netstat'... not infected
Checking `named'... not found
Checking `passwd'... not infected
Checking `pidof'... not infected
Checking `pop2'... not found
Checking `pop3'... not found
Checking `ps'... not infected
Checking `pstree'... not infected
Checking `rpcinfo'... not infected
Checking `rlogind'... not found
Checking `rshd'... not found
Checking `slogin'... not infected
Checking `sendmail'... not infected
Checking `sshd'... not infected
Checking `syslogd'... not infected
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `tcpdump'... not infected
Checking `top'... not infected
Checking `telnetd'... not infected
Checking `timed'... not found
Checking `traceroute'... not infected
Checking `vdir'... not infected
Checking `w'... not infected
Checking `write'... not infected
Checking `aliens'... no suspect files
Searching for sniffer's logs, it may take a while... nothing found
Searching for HiDrootkit's default dir... nothing found
Searching for t0rn's default files and dirs... nothing found
Searching for t0rn's v8 defaults... nothing found
Searching for Lion Worm default files and dirs... nothing found
Searching for RSHA's default files and dir... nothing found
Searching for RH-Sharpe's default files... nothing found
Searching for Ambient's rootkit (ark) default files and dirs... nothing found
Searching for suspicious files and dirs, it may take a while...
/usr/lib/perl5/5.8.3/i586-linux-thread-multi/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/URI/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Parse/RecDescent/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Locale/gettext/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Mail/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/XML/Parser/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Config/Crontab/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Term/ReadKey/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Term/ReadLine/Gnu/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Digest/MD4/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Digest/SHA1/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Digest/HMAC/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Bit/Vector/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Compress/Zlib/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Archive/Zip/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/IO-stringy/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Net/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/RRDp/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/RRDs/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/MIME-tools/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/X500/DN/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Crypt/SmbHash/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/Date/Calc/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/OPENSSL/.packlist /usr/lib/perl5/vendor_perl/5.8.3/i586-linux-thread-multi/auto/ycp/.packlist

Searching for LPD Worm files and dirs... nothing found
Searching for Ramen Worm files and dirs... nothing found
Searching for Maniac files and dirs... nothing found
Searching for RK17 files and dirs... nothing found
Searching for Ducoci rootkit... nothing found
Searching for Adore Worm... nothing found
Searching for ShitC Worm... nothing found
Searching for Omega Worm... nothing found
Searching for Sadmind/IIS Worm... nothing found
Searching for MonKit... nothing found
Searching for Showtee... nothing found
Searching for OpticKit... nothing found
Searching for T.R.K... nothing found
Searching for Mithra... nothing found
Searching for LOC rootkit... nothing found
Searching for Romanian rootkit... nothing found
Searching for Suckit rootkit... nothing found
Searching for Volc rootkit... nothing found
Searching for Gold2 rootkit... nothing found
Searching for TC2 Worm default files and dirs... nothing found
Searching for Anonoying rootkit default files and dirs... nothing found
Searching for ZK rootkit default files and dirs... nothing found
Searching for ShKit rootkit default files and dirs... nothing found
Searching for AjaKit rootkit default files and dirs... nothing found
Searching for zaRwT rootkit default files and dirs... nothing found
Searching for Madalin rootkit default files... nothing found
Searching for Fu rootkit default files... nothing found
Searching for ESRK rootkit default files... nothing found
Searching for rootedoor... nothing found
Searching for ENYELKM rootkit default files... nothing found
Searching for anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... not infected
Checking `lkm'... chkproc: nothing detected
Checking `rexedcs'... not found
Checking `sniffer'... eth0: not promisc and no PF_PACKET sockets
Checking `w55808'... not infected
Checking `wted'... chkwtmp: nothing deleted
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `z2'... chklastlog: nothing deleted
Checking `chkutmp'...  The tty of the following user process(es) were not found
 in /var/run/utmp !
! RUID          PID TTY    CMD
! dnais       29377 pts/2  /bin/bash
! root        29452 pts/2  su -
! root        29453 pts/2  -bash
! root        17194 pts/2  /bin/sh ./chkrootkit
! root        18160 pts/2  ./chkutmp
! root        18161 pts/2  ps ax -o tty,pid,ruser,args
chkutmp: nothing deleted

 


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